TW200824589A - Shield lock mechanism of safety helmet - Google Patents

Abstract

To still further simplify an operation for engaging and disengaging from a fitting portion and a projection, while steadily maintaining the fully closed state of a shield. A locking mechanism is provided that includes an operating element that, when a shield is in a fully closed state, holds the shield, from the outside, against the outer wall of a helmet main body, and that, to open the shield, spreads out the shield and disengages a projection from a fitting portion.

Description

200824589 IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD OF THE INVENTION The present invention relates to a locking mechanism for maintaining a fully closed escape of a helmet cover. [Prior Art] As the prior art document information related to the present invention, for example, the following Non-Patent Document 1 is available. [Non-Patent Document] http://www.arai.co.jP/jpn/jp/news/sk.5.html A locking mechanism for maintaining the fully closed state of the helmet cover is attached to the lower end of the face shield The side opening forms a fitting portion having a through hole shape, and the protective cover is completely closed (four), and the opposing surface of the helmet body that faces the fitting portion of the face mask is protruded and fitted The protruding portion of the fitting portion is formed, and when the mask is fully closed, # is fitted to the fitting portion ' by the projection 胄 to maintain the fully closed state of the face shield. Further, in order to open the face mask that is kept in a fully closed state, the user pulls the hand to the outer side in the vicinity of the locking mechanism of the face mask, thereby releasing the fitting of the fungus portion and the protruding portion, while maintaining the release. In the state, the mask is rotated upwards. In other words, the locking mechanism of the face mask is prevented from being rotated upward by the normal opening operation of the face shield in the fully closed state, and the full face of the face mask is surely performed by blocking the rotation. SUMMARY OF THE INVENTION An object of the present invention is to provide a locker for a helmet cover 5 200824589. The structure can fully break the state of the face shield and make the engagement of the fitting portion and the protrusion portion easier. Further, it is an object of the present invention to provide a lock mechanism for a helmet cover which can more reliably maintain the fully closed state of the face shield and prevent the face shield (4) and the lock member from being accidentally released due to an accident such as an accident. In order to achieve the object, the technical means adopted by the present invention is a locking mechanism for a full-face mask, which is used to maintain a fully closed shape 7 of the face shield, which is rotated by up and down direction. It is ensured that the front opening portion of the helmet body is opened and closed by the user, and # is provided by any one of the protrusions of the lower end portion of the face mask or the lower end portion of the face mask in the fully closed state. '/, ° is placed in the fitting of the other fitting portion, and the face mask is fully closed, and the face mask is opened to release the fitting of the a portion and the protruding portion, and is characterized in that: The locking mechanism has an operating member on the main body side of the helmet, and the operation includes: an inclined surface for releasing the fitting state of the fitting portion and the protruding portion, and a suppressing piece for maintaining the proud state; The piece 'supported by the shaft is bounded by the center of rotation of the operating member so as to be located on one side and the other side so as to be rotated in the direction in which the face mask is alternately approached and away; by tilting the inclined face toward the face shield Swivel in the direction in which the lower end is close = The rotation of the piece causes the suppressing piece to move toward the direction in which the lower end portion of the face mask is separated, so as to release the suppression of the opening of the face mask, while tilting the face to the surface, the inclined face is removed from the face mask The lower end portion is inserted between the face shield and the outer portion of the helmet body to pull the face shield outwardly along the inclined face of the inclined face 200824589. Moreover, the locking mechanism of the helmet cap is used for the fully closed state of the cover, which is swayed by the upper and lower sides of the protection field I and the eye field, and the body of the helmet is The front opening α portion is opened and closed, and the lower end portion or the protruding portion of the Queen's main body of the lower end portion of the full face closed face mask and the fitting portion provided in the other person portion are held to maintain the face shield全 全 Α ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ Operation 帛 倾斜 解除 解除 解除 解除 解除 解除 解除 解除 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜 倾斜Rotating in the direction of approaching and leaving, 3, on the one hand, supporting the suppressing piece to slide in the direction of the lower (four) approaching and leaving of the face shield, 'crossing the inclined face and the suppressing piece intervening communication mechanism' to protect the inclined face The lower end of the mask is rotated toward it as a restraint Sliding in the direction in which the lower end portion of the face mask is separated and being conveyed; by rotating the inclined face portion in the direction near the lower end portion # of the face shield, the restraining piece is slid in the direction away from the lower end portion of the face shield, so that the face mask is slid (4) The suppression is set to the release state, and the inclined face is inserted between the face guard and the outer portion of the helmet body by the lower end portion of the face shield by causing the inclined face to be in the direction of the direction. Tilt the face and pull the face shield away from the outside. The locking mechanism of the helmet cover is used to keep the guard of the 200824589 cover closed. The cover is rotated by the up and down direction to open the front opening of the helmet body to ensure the user's view. Opening and closing, by setting f at the lower end of the face-lifting army or the full-capped face of the female full-hat body of the face mask in the fully closed state, and the inlay embedded in the other side And maintaining the fully closed state of the face shield, and pulling the outer cover: the cover and the fitting portion and the protruding portion (4) are combined, wherein the locking mechanism has an operating member on the body side of the helmet, the operation The package is provided with an inclined surface # for releasing the fitting state of the mating portion and the protruding portion, and a suppressing sheet for holding the fitting state; the hunting device is operated by ▲ as the 4 operating member to interlock the inclined surface portion with the suppressing sheet, and the suppressing sheet Inserting the inclined surface from the lower end portion of the face mask into the outer portion of the full cap body from the lower end portion of the face mask to remove the hemorrhoids m % 1 leaving ' while the face mask is pulled apart to suppress the evil setting Between the sides, pull the mask away from the outside. The inclination of the top 4 is applied. The following is a preferred embodiment of the locking mechanism for implementing the hair mask. The front side of the present invention is shown in the first aspect of the present invention. Fig. 5 to Fig. 6 are diagrams: Fig. 7 shows the second embodiment. Fig. 7 shows the form of the present invention. A fourth aspect of the invention. Further, the security exemplified in the present invention is not limited to the Γ hood type helmet, but the king hood type queen frame also includes a half hood type helmet. The symbol is a full-cover type helmet, the symbol 1 is a helmet body, and the '3' is a locking mechanism, and the symbol 4 is a fitting portion. 8 200824589 The symbol 5 is a protrusion and the symbol 6 is an operation member. ♦The full-cover helmet a, as exemplified in this form, is prepared. The An Wang towel body 1 is provided to form a cap that is useful for ensuring the user's view; the opening " The impact absorption view (not shown) provided on the inner side of the shock absorber pad is provided with a corresponding head inner body (not shown) and corresponding to the user, respectively, on the inner side of the impact absorbing pad. And the cheeks are formed by the buccal body (not shown); and the mask 2: the left and right sides of the helmet 1 are supported so as to be rotatable in the up and down direction, and are opened and closed by the up and down rotation The opening portions 11 and \ 13 are capable of controlling the opening and closing operation of the mask 2 and adjusting the opening degree adjustment mechanism of the opening degree. The Tiger 14 is a helmet when the mask 2 is fully closed. The lower jaw of the main body 1 is covered with a step portion provided in the vicinity of the support portion 16 of the vine cover 2, and is arranged to receive the face mask 2 when the cover sheet 2 is fully closed, so that the surface of the face mask 2 is provided. It is substantially flush with the body surface of the helmet from the chin guard portion to the support portion. Also, the symbol 17 supports the operation. 6 and for the user to have his own concave space of the material 6, the space 17 is formed such that the support surface 17A of the tooth (four) member 6 is flush with the surface of the step portion 14. The locking mechanism 3 is straddle The helmet body i and the face mask 2 are disposed on the left side of the full-face helmet A in the drawing. ^贞疋钱3, the fitting portion 4 on the side of the face mask 2, and the safety towel The protrusion 5 on the side of the main body 1 and the operation member 6 are formed. The fitting portion 4' is in the vicinity of the lower end portion 2i of the face mask 2, and on the surface of the step portion 14 when the cover 2 is fully closed. The opposing portion is formed in a long hole shape formed by the opening in the longitudinal direction of the face mask 2. The protruding portion 5 is provided in the step portion 14 and is fitted to the fitting portion 4 when the face mask 2 is fully closed. Further, the tip end of the protrusion 5 is provided in a spherical spherical portion 51, and is provided so that when the face mask 2 is opened and closed and the face mask 2 or the fitting portion bucket exceeds the protrusion portion 5, the face is |2 The lower end portion 21 or the edge portion 41 of the funnel portion 4 is guided along the spherical surface of the spherical portion 51. The operating member 6, which is attached to the support surface 17 of the space 17, is supported to be relatively shieldable The tangential line of the longitudinal direction of the cover 2 is rotated in the vertical direction. The operating member 6, the peak supporting portion 61 is a (four) core, and is formed on the front side by the rotation and the center, and the protective cover 2 is opened. The protrusions are released. The inclined surface portion 62 that is in contact with the fitting portion 4 and the vehicle 4 that is used for the operation of the operation member 6 when the operation member 6 is rotated upward are in contact with the finger (not shown). Finger touch 2 63; formed on the rear side, in the face mask: fully closed state prevents the mask from being pulled apart by the restraining piece 64. The inclination (four) 62 is formed by increasing the thickness of the outer side of the lower end of the head hard hat body 1 from the upper end portion, and the end portion of the inclined surface portion a 2 is located below the lower end portion of the protective surface f 2 and is disposed by The rotation of the falling piece 6 is between the face mask 2 and the step portion 14 which are closed from the lower end of the face mask 2 in the " The finger touch portion 63 is formed in a planar shape from the lower end side of the inclined surface portion 62, and the operating member 6 is rotated upward by pushing the finger touch portion. Wan 200824589 The restraining piece 64' is formed upright and faces the fully closed surface, and in the fully closed state of the protective surface, the protrusion 5 and the fitting portion 4 of the mask 2 are restrained, thereby preventing the mask 2 ^64 from being positive In this regard, the outward opening of the protruding portion 5 and the disengaged portion 4 is kept open. Hereinafter, the opening and closing operation of the locking mechanism 3 will be described. In the fully closed state of the face mask 2, as shown in Fig. 2(a), the protrusion 5 is fitted with Qiu 4 A Shan Rentian () 钭 钭 face Qiu Xinhe state and the operating part The end of 6 is located below the lower end portion 2 of the face mask 2, and on the other hand, "4 is positively applied to the protruding portion 5 and the funnel portion 4. The operating member 2 is pushed upward from the fully closed state of the face mask 2 :, as shown in FIG. 2(b), the shaft support portion 6ι is rotated: ,: the inclined surface portion 62 is swung to the wide side, and the other side is 'suppressed to rotate downward: the inclined portion that is swung upward ^ 2 is as shown in Fig. 4 (4) and Fig. 4 (b), and the upper end portion is between the lower end of the face mask 2 and the second side of the face sheet 2 and 21... On the other hand, the mask 2 is guided in the direction in which the inclined surface of the inclined surface portion 62 is pulled outward by the upper end portion 21 of the inclined surface 62. As shown in Fig. 2 (b), Fig. 4 (a), and Fig. 4 (b), the suppressing piece 64 is directly opposite to the lower end portion 21 of the face mask 2 from the projection portion 5 (1). The state moves toward the inclined surface 62 to move the protective surface J And the location is not in the position of the borrowing. The opening action of the material side causes the resistance to be pulled away by the (4) mask 2, when the desired part 11 200824589 4 reaches the spherical portion 51 of the protrusion 5 Acting on the upper surface of the face shield 2, the edge portion of the joint portion 4 is guided by the edge portion 4"the ball portion 51, and moves outward while moving upwards to release the kneading portion 4 and the protrusion. In the state in which the fitting portion 4 and the projection portion 5 are fitted, the tilting 62 is inserted between the face mask 2 and the step portion 14 to the lower end portion, and the lower end portion of the face mask 2 is attached. In the state of 21, the neighboring degree is located outside the inclined surface portion 62, that is, the face mask 2 is in a state of being pulled apart, and the user's finger is placed at the finger touch portion 63 and the lower end portion of the face mask 2 & In the state in which the second face mask 2 is most opened, the lower end of the restraining piece 64 that is rotated downward is rotated downward from the space 17, and the operation member is in a restricted state, and the upper side is rotated. The motion of the motion is sufficiently changed, and therefore the touch portion 63 is placed only on the surface by the spin action. The lower end of the hand 2 in the upward direction private swirling, allow the face shield to the mask Huo Hai 2 ° to the face shield 2 from the opened state to the pull =. When the face mask 2 is pressed down, it is the king's closed sorrow, as long as it will be called the rotation of the member 6. The lower end portion 21 of the mask 2 is in contact with the swaying dry circumference' 4 if the operating member 6 is When it is rotated downward, it reaches the step of the protrusion: 62, and when it acts on the spherical portion 51 of the face shield 2 邛 5, the lower part is lower; the lower part is lower; the ball portion 51 guides, true ' The lower end portion 21 is the back of the ...: on the second lower 5: the moving side moves to the outside, and the guard is again, in this state, the protective mask 2 is further rotated downwards to borrow 'borrowing 12 200824589 = two cover 2 pull When the open state returns to the original shape, the fitting portion 4 is opened and the dog portion 5 is opened, and the face mask 2 is fully closed. At this time, the inclined surface of the operating member 6 is 6 ^ 2 91 ^ ^ "The sigh of the slave is rotated, so that the sheet is prevented from rotating upward and the rear portion of the protruding portion 4 is being pressed. In the state / P 4 , the locking mechanism 3 can be held, and the locking mechanism 3 can be continuously opened by the fitting portion 5 (4) of the operating member 6, and the protective cover can be pulled apart. In the fully closed state, in addition to the holding of the disc protrusion by the fitting portion 4, the suppression of the operating member is also "4". The cover is pulled apart to keep the merging portion 4 and the protrusion 5 embedded

Therefore, it is possible to surely maintain the fully closed state of the face mask, and it is possible to facilitate the fitting and releasing operation of the private projection. "° 〇P That is, the locking mechanism 3 of the present embodiment is constituted by an operation having a state of maintaining and disengaging, and the operation member is: == suppression sheet 64; the inclined surface portion 62 is inserted into the mask 2: In order to release the fitting of the fitting portion 4 and the projection portion 5, the second system "4" is used. When the face mask 2 is fully closed, the outer surface is doubled to prevent the face mask 2 from being pulled apart. The portion 62 and the restraining piece 64 are rotatably centered on the operating member 6, and are located on the square side and the other side, and are supported by the shaft so as to be rotatable 13 200824589. The lower end portion 21 of the mask 2 is alternately approached and separated. Further, it is characterized in that the rotation of the 9 ^ 铞 workpiece 6 is suppressed by the slanting of the 硿邡ο 1 soil 'slope portion 62 toward the lower jaw portion 21 of the face mask 2 The sheet 64 is in the direction of the ancient a > 2 in the lower end portion 21 of the covering mask 2, and the direction of the lifting of the mask 2 is released, and by suppressing the suppression of the mask 2, The slanting surface 4 62 is rotated in the direction to insert the inclined surface portion 62 into the protective cover 2 and the full cap from the lower end portion 21 side of the cover 2 and the shank In the case of the body, the ^^ ^ ^ is placed between the rafts 14 and the face shield 2 is pulled outwardly along the inclination of the inclined surface 62. Next, a second aspect of the present invention will be described with reference to Figs. 5 and 6 . The illustrated full-face type safety helmet is the same as the second embodiment, and therefore, the main part of the locking mechanism of the mask is not described in this section. The lock mechanism 3 of the second state is composed of the money joint portion 4 on the side of the face mask 2, the protrusion portion 5 on the side of the main body 1, and the operation member 6. The configuration and the effect of the fitting portion 4 and the projection portion 5 are the same as those of the above-described singularity. Therefore, the same reference numerals are attached and the description thereof is omitted. In the present embodiment, the operation member 6, pq 攸5 is inserted in the direction of the lower end portion 21 of the mask 2, and the face mask 2 in the fully closed state and the step portion (not shown in the present embodiment) are opened outwardly. The inclined surface portion 6A and the outer surface of the face mask 2 are opposed to each other for suppressing the two members of the suppressing piece 6A which is opened by the mask 2 and the mask 2 is pulled apart. In the space (not shown in the present embodiment), the inclined surface portion 6 of the present embodiment can be moved away from the lower end portion 21 of the face shield 2 toward the top and bottom (in the figure, below). The direction of the slide is linear, and 14 200824589 is supported to be continuously biased in the direction away from it. In the restraining sheet 6B of the present embodiment, the inclined surface Μ == on the supporting surface, and the inclined surface can be moved toward the inclined surface (left, left) and away (in the direction of the figure), and is supported as being Too close to ^ is continuously applied with a spring pressure. ' °

When the needle is placed, the inclined surface portion 6A is slid upward, and the release suppressing sheet 6B is restrained from being widened. On the other hand, the inclined surface portion 6A pulls the mask 2 outward to release the fitting portion 4 and the projection portion 5. Chimerism. The configuration of the inclined surface portion 6 and the suppression sheet 6β will be specifically described. The inclined surface portion 6A is formed as an end portion as an inclined direction and increases in thickness toward the outside of the helmet body. Further, on the inclined surface portion 6A, on the side surface side of the lower side thereof, the dust inclined surface 61A which is inclined in the direction formed is formed so as to be continuously slid upward from the end portion of the two SITs. The finger touch portion 62A that the finger of the user touches. As shown in the second aspect, on the inclined surface, the rear surface of the "A is formed with a groove 63A of the sliding guide slit of the bottom plate 6C (fixed to the support surface), in which the sliding groove 6 is formed. From the cross-edge side and the lower end side of the sliding guide (four), there is an elastic crystal 64A

_篑64A, the slanting face 6A is continuously biased downward, and the magazine "A" is slid over the inclined face 6A.

The sliding of the month-sloping face portion 6A downward is performed by the elastic pressure acting when the contracted spring 64A is restored. Further, on the back surface of the inclined surface portion 6A, a second sliding groove 65A is formed in the lower surface of the sliding groove 63a 15 200824589, and the second and second music sliding grooves 65A are fitted to the sliding guide of the bottom plate 6C. The projection 62c is led. ΰ : The sheet 6 is formed, and the slanting surface 61 朝 which faces the dust inclined surface 61 形成 is formed on the slanting surface 6 ❺ α Β, and on the other hand, the (10) oblique contact is inclined _ ^ in the rear 鳊, the 彺 彺The suppressing protrusion 62]β for suppressing the outer surface of the face mask 2 is used. Further, as shown in Fig. 6, the slide guide 63 is placed on the back surface of the suppression sheet 6β, and the slide groove 63 is provided in the sliding groove 63 Β.梓6 3 R +, straight

A spring 64B is disposed on the left edge side of the lunar motion groove (10) and the side edge side of the slide rail 63C. The spring 64B is biased in a direction in which the restraining piece 6B is continuously slid toward the inclined (four) 6a side, and the contact inclined surface is pressed against the pressing inclined surface 61A. Further, when the inclined surface portion 6A is slid upward, when the pressing inclination is upward, the inclination relationship between the pressing inclined surface 6ia and the contact inclination 61B is suppressed, and the sheet 6B is suppressed from being rightward. The sliding causes the restraining dog 62B to reach the non-relative position on the side of the lower end portion 21 of the face mask 2. Further, when the restraining sheet 6B slides in the right direction, the elastic crystal (10) contracts, and the sliding of the sheet 6B to the left side is performed by the contracted elastic crystal 64b in the elastic pressure acting on the original shape. Further, the second sliding groove 65B' is formed on the left side of the sliding groove on the back surface of the restraining sheet 6B. The second sliding groove 65b is smashed to the sliding guide projection 64C provided on the bottom plate 6C.

In addition, the 'protective surface 覃2 of the 覃2 p 丨 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I The non-opposing direction 1 is located at a position other than the opposite direction, forming a step difference, the suppressing protrusion 62β is only at the opposite position, the facing surface 621R ^ nr, and the lower jaw portion 21 is located above the suppressing protrusion 62β 鳊 62 1Β Further, when the lower side of the mask is placed in the non-opposing position, the lower end of the mask 2 is hadded to the side of the upper end 621B of the restraining projection 62B. The lower end portion 21 of the face mask 2 passes over the upper side of the work surface 621B of the restraining projection 62B.

In addition, the structure of the inclined inclined surface 61A is generally "μ.^", and the inclined surface portion 61B is slid upward. The monthly movement is to suppress the sheet 0B to the right, and the movement is transmitted by the moon. The following is a description of the opening and closing operation of the lock mechanism 3 of the present embodiment. Soap 2 Panshan In the fully closed state of the face shield 2, as shown in Fig. 5 (4), the projection portion 2 is a fitting state. 'And the upper end portion of the inclined surface portion 6 is located below the lower end portion 21 of the guard: ^, and the restraining sheet 6 is opposed to the outer surface of the mask 2. If the protective mask 2 is fully closed, it resists the elastic The finger touch portion 62Α_ of the inclined surface portion 6Α is pushed upward by the pressing force, and as shown in FIG. 5(8), the pressing inclined surface 6 is inclined to contact the inclined face portion, and the sheet 6Β is prevented from sliding to the right direction. On the other hand, the lower end of the restraining projection 62β moves to the lower side of the lower end #21 of the face mask 2, and the position of the upper surface of the protective cover 2 is prevented from being pulled out. The inclined surface 6滑动 that slides upward is as shown in Fig. 4 (a). ), as shown in Figure 4(b), the upper end is from the face shield 2 Direction of the lower end portion 21 is inserted into the fully closed state 17,200,824,589

Between the face mask 2 and the step portion, the lower end portion 21 of the face mask 2 is pushed upward by sliding continuously upward, and the face shield 2 is pulled outward on the inclined surface of the inclined face portion 6A. Direction guide. In the following, the face mask 2 performs the same operation as that shown in the first embodiment, and the back portion of the fitting portion 4 and the protrusion portion 5 and the user's finger perform the rotation of the face mask 2 upward. The face mask 2 is brought into a state. When the face mask 2 is pulled apart, the user's finger is removed from the tilt (4) 6A. The inclined face portion 6 is slid downward to return to the original position by the spring pressure of the spring 64A, accompanied by the inclined face 胄6a. The access piece 6B is also slid (4) to the left by the elastic force of the spring 64B. Therefore, the cover 2 is rotated from the open shape to lower the fitting portion 4 and the projection 5 In the case of the melon mouth, the suppression piece 6B is a state in which the protrusions 5 and the inlays are held together (not shown). The melon mouth # 4 _ The locking mechanism 3 according to the present embodiment can be continuously operated by the fitting and releasing operation of the projection portion 4 and the projection portion 5: the surface advancement: the insertion operation. In the state in which the mask 2 is fully closed, the mask 5 is kept in a fully closed state by the fitting of the fitting 2, and is also engaged with the projection. The cover 2 is pulled apart to hold the rear joint portion 4 and the projection portion 5: the snap-on ΙΓ retains the fully closed state of the face shield, and the twisting and closing operation of the lock is easier. Ganshouhe Department 18 200824589 That is, the locking mechanism 3 of the present embodiment, and the operating member 6 of the state of the (fourth) state are formed by the face--the face portion is 21 from the lower end portion of the face mask 2 6. It has a tilt P 21 side inserted into the face mask 2 - a step portion (outer portion) of the full cap body 1 /, and a female face mask 2 is opened to the outside to untwist the portion 4 and the protrusion portion 5 The fitting is inclined by the f-piece, and the protective mask 2 is completely closed, and the outer surface of the protective mask 2 is prevented from being pulled apart.

The inclined surface portion 6Α and the restraining sheet 6β are supported so as to be slidably moved toward and away from the lower end portion 21, and the sheet 6Β\ is suppressed: in the direction of the inclined surface ... near the lower end portion 21 of the face mask 2: :: Sliding from the opposite position of the outer cover to the non-opposing position on the outer side of the cover 2. Further, 'characterized by 'sliding in the direction of the lower end portion 21 close to the facing surface by pressing the inclined surface portion 6', by sliding the inclined surface portion of the fish to contact the inclined surface portion 61, the sliding sheet 6 is slid to the facing protective cover η In the outer direction of the 21, the suppression of the face mask 2 is set as the solution: (4) At the same time, the two faces 6A are inserted into the face mask from the lower end portion n of the face mask 2 by sliding in this direction. 1 and the slave portion of the safety _1, the face shield 2 is pulled outward along the inclination of the inclined surface portion 6A. Next, a third aspect of the present invention will be described with reference to Fig. 7 . Further, the full-face type safety helmet illustrated in the present embodiment is the same as the first embodiment, and therefore, only the main portion of the lock mechanism of the face mask will be described in this embodiment. 19 200824589 The lock mechanism 3" of the present embodiment is constituted by the fitting portion 4 on the side of the face mask 2, the projection portion 5 on the side of the helmet main body 1, and the operation member 6. Further, the fitting portion 4 and the projection portion The configuration and the effect of the fifth embodiment are the same as those of the first embodiment, and the description thereof will be omitted. The operation member 6 of the present embodiment is inserted into the fully closed state from the lower end portion of the face mask 2 The inclined surface portion 6D that pulls the protective cover 2 outward between the face mask 2 and the step portion (not shown in the present embodiment), and the outer surface of the protective mask 2, suppresses the suppression of the opening of the protective cover 2 The slanted surface portion 6D of the present embodiment is supported on the support surface of the space (not shown in the present embodiment) (in the present embodiment, the portion 未 is not shown, and the upper surface is Leave (in the figure, the lower line slides, and the direction of the exit can be continuously applied with the spring pressure. The restraining piece 6E of the centroid is connected to the inclined surface 6D on the support surface and is supported to be tiltable thereto. Face close (on the left, left), • leave (on the map, Further, by sliding the inclined surface portion 6D upward, the sheet 6 is restrained from suppressing the % mask 2, and the inclined surface portion 6D is pulled outward from the mask 2; The fitting of the fitting portion 4 and the projection portion 5 is released. The configuration of the inclined surface portion 6D and the suppressing piece 6E will be specifically described. The mountain inclined surface portion 6D is formed to be inclined from the upper end portion toward the lower end toward the helmet body. Further, in the inclined surface portion 6D, a finger touch portion 61D for the user's finger to contact is formed on the lower side thereof, and on the right side surface of the finger touch portion 61D, the shape 20 200824589 is formed to constitute the inclined surface portion 6D. The up-and-down sliding is converted into the gear-shaped portion 6J7 of one of the mechanisms for the rotation of the restraining piece 6e. Further, the inclined surface portion D of the present embodiment is attached so as to be elasticized in a structure different from the second form. The pressure can be slid in the up-and-down direction (illustrated). The restraining piece 6E is supported to be rotatable in the up-and-down direction, and the end portion opposite to the inclined surface 邛6D is formed to constitute the upper surface of the inclined surface portion 6D. Down slide to convert to this suppression a gear-like portion 6G of one of the rotating mechanisms of 6E, the gear-like portion 6G is coupled to the gear-shaped portion 6p, and the other surface is protruded upward at the rear end portion for suppressing the outer surface of the face shield 2 The protrusion 6 1E is formed. That is, the sliding of the upper surface of the inclined surface portion 6D, above the .._L 丨(1), is carried out by the gear-like portion 6G and the gear-shaped anvil. It

The relationship between the teeth and the teeth, and by the slap 7, the smashing suppressing piece 6E causes the suppressing protrusion 61E to rotate in the downward direction to make the suppressing protrusion 6 夕 91 ^ ^, t 彳思 " The non-opposing position on the lower side of the lower end. Further, when the suppression sheet 6; E (4) (4) is used as the outer facing position of the _, if it is from the top, it is called ... 1 mask 2

The user's finger tilting the face D will cause the town to buckle open, and the downwardly moving magazine straw of the inclined face portion 6D slides downward by the elastic pressure acting on the inclined face portion 6D. Further, with the sliding, the gear-like portion is precisely below the gear-like portion 6G and the gear-shaped portion, and the suppressing projection 61E is upwardly 2 = 'and by suppressing the suppression of the projection-toward and the opposing facing Move, and make the outer opposite position the same 21 200824589 position. (4) With the locking mechanism 3 of the present embodiment, the mask 2 and the inlay ΓΛ1 are fully closed. As shown in Fig. 7 (4), the protrusion 5 is in a state of dare, and the inclined surface 6D The upper end portion is located below the lower end portion 21 of the shroud '2, and on the other hand, the restraining sheet 6 is opposed to the outer surface of the shroud 2. Μ Μ / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / 全 全 若 全 若 若 若 全 全 GT In the direction of the lower side, the upper end of the restraining piece (four) moves to the lower side of the face mask 2: the portion 21, and is located at a position that does not hinder the pulling operation of the outer surface I 2 to the outside. - The inclined surface portion 6D that slides upward is as shown in Fig. 7(b) by the same motion 2/pull direction of the inclined surface portion 6 of the 2 shape. When the mask 2 is made outside, the mask 2 is released in the same manner as the protrusion δ 4 and the projection 5 (4) which are similar to those illustrated in the first embodiment, and the upper surface of the mask 2 is opened by the user's scoop finger. . The cover 2 is on the top (four), and the face shield 2 can be < - in the state in which the face shield 2 is pulled apart, the inclined face portion 6D is the same as the evil, and is slid down by the elastic force 7 The original position, = with the restoration of the inclined face 6D, by the gear shape... (4) Fortunately, the two parts 6G are filled with si in & main 丨u /,

In the mouth relationship, the restraining piece 6E reaches the position of the outer facing direction in the direction in which the suppressing projection HE 22 200824589 is moved upward from the position 61E to reach the locking mechanism 3 according to the present embodiment, and the fitting portion 4 and the projection The fitting solution 2 of the portion 5: the pulling operation performed by the #6. Ή 连 进行 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 护 遵 遵 遵 遵 遵 遵 遵 遵 遵 遵 遵 遵 遵 遵 遵 遵 遵 遵 遵The fitting of the inhibition of the piece 6". Sweat $ Holding the money joint 4 and the projections 5 Therefore, it is possible to surely keep the operation of releasing and releasing the mask from the protrusions more easily. Closed and reserved, and the funeral department and the sputum: the fixed body 3, 'has the smashing of the fitting state and the smashing of the scorpion, and the smashing of the scorpion 〇°〇〆6, having: tilting: face: "D ^ The lower end portion 21 of the mask 2 is inserted between the step portion (outer portion) of the cap body 1, and the face mask 2 is pulled toward / The opening of the occupation joint portion 4 and the projection portion 5 is inclined. The sheet 6E is opposed to the face shield in the fully closed state of the face mask 2; In addition, the inclined face milk is supported to slide in the direction of the sin and the direction of the face shield 2, and on the other hand, the restraining piece 6E is supported and the lower end portion 21 of the facing mask 2 is brought closer to and away from each other. The direction of the rotation, ^ Temple inclined surface _ 6D and the suppression piece 6E, with a conveyor ^ 6F '6G) ' to slide the inclined face milk in the direction of the lower end of the face mask 2, as a suppression piece 6 £ The lower end portion 23 of the face mask 2 is rotated in the direction of the opening 23 2008, and is conveyed. It is characterized in that, by sliding the inclined surface portion 6d = ... in the vicinity, the "E-protection = ^ _ direction (4) is suppressed, and the mask 1 is pulled open to suppress the 1 release state, and the _ is caused by the sag ^ Further, the sliding direction of the #4^4 (four) direction causes the face portion 6D to be inserted into the face mask 吏2 from the lower end side of the face mask 2, and between the step portions of the body 1 to be inclined outward along the inclined face portion 6D. The square pull-opening mask 2. The 6D of the present invention will be described with reference to Fig. 8. Further, the full-cover type safety exemplified in the present invention is the same as that of the third type. In the present embodiment, only the main part of the mechanism will be described. The locking mechanism 3 of the present embodiment is the fitting portion on the side of the face mask 2, and the projection 5 on the side of the female main body 1 and The operating member 6" is constructed. The composition and effect of the D °卩4 and the protrusions 5, the tie plate. The same configurations are given, and therefore, the same reference numerals are attached and the description is omitted. The shape of the sorrow is made up of the mask 2 and the step (not shown in the present embodiment) from the square (four) state of the lower end portion 21 of the face mask. The square + > 61 is opened by the inclined face portion 6H, and the outer surface of the face mask 2 is configured to suppress the independent two members of the suppressing piece 61 which is opened by the mask 2 and the mask 2 is opened. The inclined surface portion 6H is supported by the support surface of the space (not shown in the present embodiment). (In this embodiment, the lower end portion 21 of the protective cover 2 is close to (above, above) and away (Fig. In the style, the direction of the bottom is straight 24 200824589 The line is swung, and it can be applied repeatedly in the direction of leaving. The restraining surface of this form is... Rotating, can be moved to the top of the slope ), and leave (10),;: "Slide in the direction of the wide-angled j. The second IT tilted face 6H slides upward, and the suppression is suppressed. "1: On the other hand, the inclined face 6H pulls the face shield to release The fitting portion 4 is fitted to the protruding portion 5.

The inclined surface portion 6H and the suppression sheet _ will be specifically described. The member's face*6H' is supported by the shaft on the support surface, and the wire in the longitudinal direction of the face shield 2 is rotated in the vertical direction. a 4 inclined surface # 6H, the supporting shaft supported by the inclined surface portion 6H_ is a center of rotation, and is formed to increase the thickness of the outer side of the helmet body from the upper end portion to the lower end portion, and at the lower end portion thereof, A finger contact portion 61H that is in contact with a user's finger when the inclined surface portion 6H is rotated upward is formed, and an upper end portion of the inclined surface portion 6H is located below the lower end portion 21 of the face mask 2. Further, the inclined surface portion 6H is inserted between the face shield 2 in the fully closed state and the step portion (not shown in the present embodiment) from the lower end portion 21 of the face mask 2 by the rotation. The finger touch portion 61H is formed in a planar shape from the lower end side of the inclined surface portion 6H toward the step portion, and the inclined surface portion 6H is rotated upward by pushing the finger touch portion 61H upward. Further, around the support shaft 62H supporting the inclined surface portion 6H, a coil spring 63H that biases the biasing surface portion 6H to the upper side to be rotated downward is applied, and the coil spring 63H is fixed on the inclined surface portion 6H side. One end portion of the spiral spring 63H is fixed to the other end portion on the side of the support surface, and a spring pressure to the lower side is applied to the upper surface of the inclined surface 46H. Further, on the right side of the pattern of the shaft support plate 63H of the inclined surface portion 6H,

The gear-shaped portion 6J is formed so as to be concentric with the support shaft 62H, and constitutes a part of the transmission mechanism that transmits the up-and-down rotation of the inclined surface portion 6H to the vertical movement of the suppression piece 61.

The vertical restraint piece 61 is supported to be slidable in the vertical direction, and a side surface portion opposite to the inclined surface #6H is formed with a communication mechanism that constitutes the vertical movement of the inclined surface portion SR to be vertically slid by the restraining piece 61. The gear portion 6K of one of the blades is coupled to the gear portion 6J, and the suppression protrusion 611 for suppressing the outer surface of the face shield 2 is protruded upward from the upper end portion. The second upper and lower sliding support structure of the restraining piece 61, for example, the wind, the π, the sliding groove on the inclined surface side, and the slidable fitting structure of the support surface 356ic The same configuration can be implemented (not shown). The secluded 』 贝 二 伴随 伴随 伴随 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝The suppression sheet 61 is condensed in the direction toward the lower end portion 21, and the suppression protrusion 611 reaches the non-opposing position on the lower side of the face mask 2 (see FIG. 8(b)). The restraining protrusion 611 of the sheet 61 is returned to the top of the mask 2, and if the tilting surface 6H is rotated upward, the user's hand is removed from the 26 200824589, and the face is inclined 6h, τ 士^ The elastic pressure below the cymbal of the inclined surface portion 6Η is rotated downward. In addition, when the gear shape is followed by the gear-shaped portion G and the portion of the gear-shaped portion 6K, the urging protrusion 611 is slid by the squeezing blade 6U 5, ft. The suppression is raised 611 to reach the opposing face shield 2. The same position of the opposite position of the face is described below. The opening and closing operation of the lock 2 by this embodiment will be described. The protective mask of the structure 3 is set in the fully closed state of the face mask 2, as shown in Fig. 8(a), the protrusion 5 is in a fitted state, ..? ή_ _ The upper end portion of the mussel portion 6 is located below the lower end portion 21 of the face shield 2, and the outer surface of the projection 6 is opposed to the outside. On the other hand, the restraining sheet 61 and the suppressing mask 2 are closed. If the inclined surface SR touch portion 61 is resisted by the elastic pressure + they are rotated at the top, and the gear portion 6J 盥 "relationship, the restraining sheet The upper end 6111 of the restraining piece 611 of the restraining piece 611 is moved to the lower side of the cover 21, and is placed at a position where the pulling operation of the protective cover 2 is not hindered. The inclined surface portion 6H that is swayed outward is raised by the same action as the slanted surface portion 6 of the sinusoidal body as shown in the figure _, and the protective mask 2 is directed outward; the direction of the pulling is guided. - The lower mask 2 performs the same operation as that exemplified in the first embodiment, and the fitting of the fitting portion 4 is performed to release the fitting of the yoke 5 and the user can use the 27 200824589 The face mask 2, which is provided with a finger cover 2, is swung upward and pulled open. The elastic force of the lower side of the face shield 2 is rotated and turned downward to return to the original position: Second in:: The restoration of the 6H inclined face 6H, by the movement of the 歯 wheel, the suppression 611 ^ suppressing the upward direction of the outside projecting ㊆6Π reaches the face shield 2

The location of the taxi is the same position (not shown). The pair ===3: can be continuously operated by the disengagement operation of the operation member "the opening operation of the line cover 2, except by the fitting portion 4 and the protrusion, by operation In the case of the fitting 6, the holding portion 4 and the projection portion are held together, and the sheet 61 is held in a fully closed state in the fitting portion 5 of the full face state 2 to prevent the mask 2 from being pulled apart. Chimerism. It is possible to surely keep the eight of the face shield and the protrusion (four) in combination to facilitate the lifting operation. The king closed state', and the locking mechanism 3 of the present state, that is, the locking mechanism 3 of the present state, and the falling member 6 that holds the fitting state, the lifting of the fitting state to tilt the face portion 6Η; ;=The mask 2 is formed, the workpiece 6 is rotated, the other side is #4, the lower jaw portion 21 is approached and left, and the other part is closed, and the sheet end portion 21 is restrained from approaching and leaving. The lower side piece 6 of the sliding support mask 2 is provided with a conveying mechanism such that the inclined surface portion 6Η and the restraining portion 6 are moved to the lower end portion 2i\, °P 6J' 6Κ) of the face mask 2 to slant the face The direction is swung upward, and the lower end portion 21 of the 200824589 2 is slid downward in the direction in which it is separated, and the restraining piece 61 is moved to the cover. It is characterized in that the inclined surface portion 6H is swung in the direction in which the lower jaw portion 21 of the face mask 2 is approached, so that the restraining sheet 61 is slid in the direction in which the face shield 2 ::: portion is separated to protect the ... At the same time as the release port of the pull-opening is released, the swinging face of the straw field is swung in the direction, and the inclined face portion 6H is inserted into the face from the side of the early morning faceplate 21

The helmet 2 is pulled outwardly between the opposite portions of the helmet body 1 by the tilting of the inclined surface portion 6H. The present invention is not limited to the illustrated embodiment, and the configuration of the scope of the content described in the patent range can be used to ensure that the face mask is fully closed. Moreover, the fitting release operation of the rear joint portion and the protruding portion can be made easier. In addition to the above effects, it is possible to more reliably maintain the fully closed state of the face shield. Further, when the face shield is closed, the space for providing a concave shape on the side of the helmet body can be minimized for the purpose of contact with the fingers. Therefore, it is safe to secure the shock absorbing space. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a side view showing a full-cover type safety cap of a lock mechanism according to a first aspect of the present invention. Fig. 2 is an enlarged view of the main part of the ® i. (4) shows the fully closed state of the face shield, and (b) shows the open state of the face mask. Fig. 3 (4) is a cross-sectional view taken along line (4) - (4) of Fig. 2 (4), and (b) is a cross-sectional view taken along line (b) _ 29 200824589 (b) of Fig. 2 (4). Fig. 4(a) is a cross-sectional view taken along line (a)-(a) of Fig. 2(b), and (b) is a cross-sectional view taken along line (bHb) of Fig. 2(b). Fig. 5 is an enlarged view of a main part of a lock mechanism according to a second aspect of the present invention, showing a fully closed state of the face shield. (b) shows an open operation state of the face shield. The slip indicates the lock between the inclined face and the suppressing piece of the lock (4) of Fig. 5.

Enlarged view of the main part of the watch mechanism, (4) Figure 8 is the state of this (four). The face is not fully closed, (b) Table 8^, enlarged view of the main part, (a) [Description of main component symbols] The open state of the mask. A··Full-cover helmet 1: Hard hat body 2: Face shield 21: Lower end portion 3: Locking mechanism 3': Locking mechanism 3'': Locking mechanism 3''': Locking mechanism 4: Foaming portion 41: Edge portion 5 · Projection portion 6: Operation member 30 200824589 6': Operation member 6'': Operation member 6''': Operation member 61: Shaft support portion 62: Inclined face portion 6 A: Inclined face portion 6D: Inclined face portion 6倾斜: inclined surface portion 63: finger touch portion 61A: pressing inclined surface portion 61B: contact inclined surface portion 61D: finger touch portion 62A: finger touch portion 61H: finger touch portion 64: suppression sheet 6B: suppression sheet 6E: suppression sheet 61: suppression Sheet 6F: Gear portion 6 G: Gear portion 6J: Gear portion 6K Gear portion 62B: Suppression protrusion 61E: Suppression protrusion 200824589 611: Suppression protrusion

32

Claims (1)

200824589 X. Patent application: The lock mechanism of the helmet-type helmet is fully closed. The face shield is rotated by the up and down direction; = the user's field of vision is full cap body The front opening is carried out, and the saddle is placed at the lower end of the face mask or the under cover of the fully closed state: !, Female: the protrusion of the cap body, and the private part of the cap body: : The fitting, while keeping the face shield fully closed, and sliding the door to the outside: : The solution (4) is combined with the protrusion (4), and the r mask covers the locking mechanism, and has an operating member on the main body side of the helmet, including: for releasing the fitting state of the fitting portion and the protruding portion, and for maintaining a restraining piece in a fitted state; 'the operating member is supported by the shaft so that the rotating member of the operating member is located on the side of the side and the other side, so as to be rotated in the direction in which the protective cover is alternately opened; The dislocation is caused by the rotation of the inclined surface toward the lower end portion of the face shield, so that the direction of the restraining piece to the lower end portion of the face shield is removed: "to cancel the suppression of the opening of the face shield (4), By tilting the inclined surface to the "direction of rotation, the inclined surface is pulled from the lower cover of the protective cover to the outer surface of the helmet body, and the tilting of the protective cover is performed obliquely outwardly. - a lock mechanism for the helmet cap, in a fully closed state, the cover is rotated by the up and down direction; = the front opening of the helmet body of the user's field of view is opened _ 1 placed on the face shield The lower end or the under cover of the fully closed state 33 200824589 = any of the protrusions of the body and the mouth of the other side of the body, while maintaining the fully closed state of the face shield, and releasing the insertion (4) and the projection material to the outside, characterized in that: The scooping mechanism "haves a money piece on the main body side of the helmet, the operation", an inclined surface portion for releasing the fitting state of the fitting portion and the protruding portion, and a suppressing piece for holding the fitting state; : The workpiece is swung into the lower end of the face shield to face the mask...: The aspect of the support piece is supported by the guardian. *Sliding in the direction of the near and away, suppressing the inclined face across the face The sheet is configured to move the inclined surface toward the lower end portion of the face mask, and the inclined portion is swung in a direction toward the lower end portion of the face shield, and the sheet slides away from the lower end portion of the face mask. The sigh is opened, and the slanting surface is moved to the side of β while the sigh is suppressed. The inclined surface is moved from the outer surface of the lower end of the helmet body to the inclined surface: : Outside the slanting Open the face shield. ' 3.—The locking mechanism of the helmet cap is used to maintain the fully closed state of the face shield, which is rotated by the up and down direction; = the helmet of the user's field of vision The front opening of the main body is opened, #= is placed at the lower end of the face mask or the face mask of the fully closed state: :!: the protrusion of any part of the body, and the other side of the body: ... While maintaining the fully closed state of the face shield and pulling the face shield 34 200824589 outward, the fitting portion and the locking mechanism are released, and the helmet is too characterized in that: the piece contains: for releasing the aged part and: With the operation piece, the operation portion, and the inclined surface for maintaining the fitting state of the mountain person and the large ε — - the suppression sheet for maintaining the splicing state, by operating the operation, the #β W suppression sheet is The two parts are interlocked with the restraining piece, and the lower end of the piece 攸k mask is separated, and the inclined face is inserted into the protective cover and the helmet body from the lower end of the face mask while suppressing the opening of the mask. Between the outer portions, to the slope along the slope Fang opened the face shield. XI. Schema: as the next page 35